wow! i'm totally overwhelmed with what you are saying SDS, and i won't pretend you are wrong.
Experience will talk, I planed to build a new engine right now! with OSLON CC ww
So let's summarize what is important for a flowering MJ led lamp:
- efficiency, i mean % or mW/W of power consumption (so I wait for OSRAM's answer about this point, if they tell me that it's under 30% for a 89lm LCW CQ7P CC 2700K i stop the experience
) I hope that you are right SDS when you announce 40%, if you are i right then kiss-ass (virtually)
- spectrum, not too much blue to avoid leafy buds, so mostly Warmwhite
- MJ loves red, and HPS results a showing that a 2000K spectrum works so the best recipe could be WW+660nm?
Jubiare, i agree with you, the same thoughts are disturbing me. We will see, let's build another prototype!
Another thing i would say, is that photons are not carrying the same energy, it's is related to the wavelengths.
For vegging, we all know that blue/red works, NASA discovered that a finely tuned spectrum could save energy. What should it be different for blooming?
For sure a full spectrum high CRI high efficiency spectrum works (as the sun light), but the game is to save energy. So full spectrum high CRI very efficient leds yes, but finely tuned spectrum could save more energy IMAO. Blue chips and hyper red chips have 50% efficiency or more, so they are interesting to use VS white chips.
Another thing to take in account is thermal properties of the emitters, angle, how the efficiency will decrease with current, how it will decrease with temperature...
I prefer to use an emitter at higher current than 350mA, the cost of the lamp will be lower and penetration higher, but yes efficiency will decrease.
OSLON CC WW is 170% flux at 700mA. XTE goes to 175%, ok almost the same. Thermal resistance is 5°C/W for XTE, 10°C/W for LCW CQ7P CC.
I will try to ask to Cree how is the XTE efficiency in mW.
